]> Git Repo - linux.git/commitdiff
lib/test_bitmap.c: make use of EXP2_IN_BITS
authorAndy Shevchenko <[email protected]>
Tue, 7 Apr 2020 03:10:28 +0000 (20:10 -0700)
committerLinus Torvalds <[email protected]>
Tue, 7 Apr 2020 17:43:43 +0000 (10:43 -0700)
Commit 30544ed5de43 ("lib/bitmap: introduce bitmap_replace() helper")
introduced some new test cases to the test_bitmap.c module.  Among these
it also introduced an (unused) definition.  Let's make use of
EXP2_IN_BITS.

Reported-by: Alex Shi <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Alex Shi <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
lib/test_bitmap.c

index 61ed71c1daba9776dff638e3f01034dfae7342ea..6b13150667f50f087570c69ce8c646850c5e6f43 100644 (file)
@@ -278,6 +278,8 @@ static void __init test_replace(void)
        unsigned int nlongs = DIV_ROUND_UP(nbits, BITS_PER_LONG);
        DECLARE_BITMAP(bmap, 1024);
 
+       BUILD_BUG_ON(EXP2_IN_BITS < nbits * 2);
+
        bitmap_zero(bmap, 1024);
        bitmap_replace(bmap, &exp2[0 * nlongs], &exp2[1 * nlongs], exp2_to_exp3_mask, nbits);
        expect_eq_bitmap(bmap, exp3_0_1, nbits);
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